﻿using System;
using System.Globalization;
using System.Linq;
using System.Windows;
using System.Windows.Data;
using System.Windows.Media;
using Dispatcher.Helpers;
using Repository;

namespace Dispatcher.Converters
{
    /// <summary>
    /// Lazy Load Converter.
    /// </summary>
    public class EventConverter : IValueConverter
    {
        /// <summary>
        /// Converts a value.
        /// </summary>
        /// <param name="value">The value produced by the binding source.</param>
        /// <param name="targetType">The type of the binding target property.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            var ev = (Event)value;
            if (ev.Id == 0)
            {
                return "Свободно";
            }

            if (ev.OrganizePersonGroup == null)
            {
                return "None";
            }

            var person = ev.OrganizePersonGroup.Person.FirstOrDefault();
            if (person == null)
            {
                return "None";
            }

            return ConverterContainer.PersonShortNameConverter.Convert(person, targetType, parameter, culture);
        }

        /// <summary>
        /// Converts a value.
        /// </summary>
        /// <param name="value">The value that is produced by the binding target.</param>
        /// <param name="targetType">The type to convert to.</param>
        /// <param name="parameter">The converter parameter to use.</param>
        /// <param name="culture">The culture to use in the converter.</param>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}
